Bonapolia

Senior Full Stack Developer – Python/RoR, React

Bonapolia

full-time

Posted on:

Location Type: Remote

Location: Poland

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Job Level

Senior

Tech Stack

GraphQLJavaScriptNext.jsPostgresPythonReactRubyRuby on RailsSwitching

About the role

  • Own feature development end-to-end from UI implementation to backend logic and data processing
  • Design and build new product sections including pages, UI components, and backend integrations
  • Develop backend APIs for data ingestion, processing, aggregation, and storage
  • Work with structured data including parsing, transforming, and aggregating datasets
  • Store and manage processed data in internal storage systems
  • Collaborate across frontend, backend, and database layers based on project needs
  • Contribute to database design, queries, and data modeling
  • Implement background jobs and asynchronous processing where required
  • Ensure software quality through testing including end-to-end test coverage

Requirements

  • Strong experience as a Full-Stack Engineer, with ability to work across frontend and backend
  • Comfortable switching between UI development, API design, and data processing tasks
  • Hands-on experience with modern frontend frameworks (React, Next.js)
  • Experience building backend services and APIs (Python and/or Ruby preferred)
  • Solid understanding of databases and data modeling (PostgreSQL or similar)
  • Experience working with data processing pipelines (e.g. parsing and transforming structured data)
  • Proactive and ownership-driven mindset — able to pick up tasks across the stack and deliver independently
  • Comfortable working in an environment with flexible role boundaries and evolving responsibilities
  • Experience with background job systems
  • Experience with data-heavy applications or analytics workflows
  • Familiarity with GraphQL or tRPC-based architectures
  • Experience with Ruby on Rails
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
Full-Stack EngineeringUI DevelopmentAPI DesignData ProcessingFrontend FrameworksReactNext.jsBackend ServicesPythonRuby
Soft Skills
Proactive MindsetOwnership-drivenIndependent DeliveryAdaptabilityCollaboration